text: /****************************************************************************
  **
  ** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
  ** Contact: http://www.qt-project.org/legal
  **
  ** This file is part of the QtWidgets module of the Qt Toolkit.
  **
  ** $QT_BEGIN_LICENSE:LGPL$
  ** Commercial License Usage
  ** Licensees holding valid commercial Qt licenses may use this file in
  ** accordance with the commercial license agreement provided with the
  ** Software or, alternatively, in accordance with the terms contained in
  ** a written agreement between you and Digia.  For licensing terms and
  ** conditions see http://qt.digia.com/licensing.  For further information
  ** use the contact form at http://qt.digia.com/contact-us.
  **
  ** GNU Lesser General Public License Usage
  ** Alternatively, this file may be used under the terms of the GNU Lesser
  ** General Public License version 2.1 as published by the Free Software
  ** Foundation and appearing in the file LICENSE.LGPL included in the
  ** packaging of this file.  Please review the following information to
  ** ensure the GNU Lesser General Public License version 2.1 requirements
  ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
  **
  ** In addition, as a special exception, Digia gives you certain additional
  ** rights.  These rights are described in the Digia Qt LGPL Exception
  ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
  **
  ** GNU General Public License Usage
  ** Alternatively, this file may be used under the terms of the GNU
  ** General Public License version 3.0 as published by the Free Software
  ** Foundation and appearing in the file LICENSE.GPL included in the
  ** packaging of this file.  Please review the following information to
  ** ensure the GNU General Public License version 3.0 requirements will be
  ** met: http://www.gnu.org/copyleft/gpl.html.
  **
  **
  ** $QT_END_LICENSE$
  **
  ****************************************************************************/
  
  #ifndef QLABEL_P_H
  #define QLABEL_P_H
  
  //
  //  W A R N I N G
  //  -------------
  //
  // This file is not part of the Qt API.  It exists purely as an
  // implementation detail.  This header file may change from version to
  // version without notice, or even be removed.
  //
  // We mean it.
  //
  
  #include "qlabel.h"
  
  #include "private/qtextdocumentlayout_p.h"
  #include "private/qwidgettextcontrol_p.h"
  #include "qtextdocumentfragment.h"
  #include "qframe_p.h"
  #include "qtextdocument.h"
  #include "qmovie.h"
  #include "qimage.h"
  #include "qbitmap.h"
  #include "qpicture.h"
  #include "qmenu.h"
  
  QT_BEGIN_NAMESPACE
  
  class QLabelPrivate : public QFramePrivate
  {
      Q_DECLARE_PUBLIC(QLabel)
  public:
      QLabelPrivate() {}
  
      void init();
      void clearContents();
      void updateLabel();
      QSize sizeForWidth(int w) const;
  
      mutable QSize sh;
      mutable QSize msh;
      mutable bool valid_hints;
      mutable QSizePolicy sizePolicy;
      int margin;
      QString text;
      QPixmap  *pixmap;
      QPixmap *scaledpixmap;
      QImage *cachedimage;
  #ifndef QT_NO_PICTURE
      QPicture *picture;
  #endif
  #ifndef QT_NO_MOVIE
      QPointer<QMovie> movie;
      void _q_movieUpdated(const QRect&);
      void _q_movieResized(const QSize&);
  #endif
  #ifndef QT_NO_SHORTCUT
      void updateShortcut();
  #endif
  #ifndef QT_NO_SHORTCUT
      QPointer<QWidget> buddy;
      int shortcutId;
  #endif
      ushort align;
      short indent;
      uint scaledcontents :1;
      mutable uint textLayoutDirty : 1;
      mutable uint textDirty : 1;
      mutable uint isRichText : 1;
      mutable uint isTextLabel : 1;
      mutable uint hasShortcut : 1;
      Qt::TextFormat textformat;
      mutable QWidgetTextControl *control;
      mutable QTextCursor shortcutCursor;
      Qt::TextInteractionFlags textInteractionFlags;
  
      inline bool needTextControl() const {
          return isTextLabel
                 && (isRichText
                     || (!isRichText && (textInteractionFlags & (Qt::TextSelectableByMouse | Qt::TextSelectableByKeyboard))));
      }
  
      void ensureTextPopulated() const;
      void ensureTextLayouted() const;
      void ensureTextControl() const;
      void sendControlEvent(QEvent *e);
  
      void _q_linkHovered(const QString &link);
  
      QRectF layoutRect() const;
      QRect documentRect() const;
      QPoint layoutPoint(const QPoint& p) const;
      Qt::LayoutDirection textDirection() const;
  #ifndef QT_NO_CONTEXTMENU
      QMenu *createStandardContextMenu(const QPoint &pos);
  #endif
  
      bool openExternalLinks;
  
  #ifndef QT_NO_CURSOR
      uint validCursor : 1;
      uint onAnchor : 1;
      QCursor cursor;
  #endif
  
      friend class QMessageBoxPrivate;
  };
  
  QT_END_NAMESPACE
  
  #endif // QLABEL_P_H
  